The numbers 2, 3, 4, 5, 6, 7, 8 are to be placed, one per square, in the diagram shown such that the four numbers in the horizontal row add up to 21 and the four numbers in the vertical column also add up to 21. Which number should replace ?
Select one option, then click Submit.
2
3
5
7
8
Select an option, then submit.
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Junior Mathematical Challenge 2012 (2012)
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